Merge bk://gkernel.bkbits.net/net-drivers-2.6

into ppc970.osdl.org:/home/torvalds/v2.6/linux

6 files changed, 52 insertions, 161 deletions

diff --git a/include/asm-ppc64/dma-mapping.h b/include/asm-ppc64/dma-mapping.h
index 1e05f389e72b..78561cb28c63 100644
--- a/include/asm-ppc64/dma-mapping.h
+++ b/include/asm-ppc64/dma-mapping.h
@@ -113,4 +113,24 @@ dma_cache_sync(void *vaddr, size_t size,
 	/* nothing to do */
 }
 
+/*
+ * DMA operations are abstracted for G5 vs. i/pSeries, PCI vs. VIO
+ */
+struct dma_mapping_ops {
+	void *		(*alloc_coherent)(struct device *dev, size_t size,
+				dma_addr_t *dma_handle, int flag);
+	void		(*free_coherent)(struct device *dev, size_t size,
+				void *vaddr, dma_addr_t dma_handle);
+	dma_addr_t	(*map_single)(struct device *dev, void *ptr,
+				size_t size, enum dma_data_direction direction);
+	void		(*unmap_single)(struct device *dev, dma_addr_t dma_addr,
+				size_t size, enum dma_data_direction direction);
+	int		(*map_sg)(struct device *dev, struct scatterlist *sg,
+				int nents, enum dma_data_direction direction);
+	void		(*unmap_sg)(struct device *dev, struct scatterlist *sg,
+				int nents, enum dma_data_direction direction);
+	int		(*dma_supported)(struct device *dev, u64 mask);
+	int		(*dac_dma_supported)(struct device *dev, u64 mask);
+};
+
 #endif	/* _ASM_DMA_MAPPING_H */
diff --git a/include/asm-ppc64/eeh.h b/include/asm-ppc64/eeh.h
index bcdb5b08cc37..94298b106a4b 100644
--- a/include/asm-ppc64/eeh.h
+++ b/include/asm-ppc64/eeh.h
@@ -104,17 +104,30 @@ int eeh_unregister_notifier(struct notifier_block *nb);
  */
 #define EEH_IO_ERROR_VALUE(size)	(~0U >> ((4 - (size)) * 8))
 
-#else
-#define eeh_init()
-#define eeh_check_failure(token, val) (val)
-#define eeh_dn_check_failure(dn, dev) (0)
-#define pci_addr_cache_build()
-#define eeh_add_device_early(dn)
-#define eeh_add_device_late(dev)
-#define eeh_remove_device(dev)
+#else /* !CONFIG_EEH */
+static inline void eeh_init(void) { }
+
+static inline unsigned long eeh_check_failure(const volatile void __iomem *token, unsigned long val)
+{
+	return val;
+}
+
+static inline int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev)
+{
+	return 0;
+}
+
+static inline void pci_addr_cache_build(void) { }
+
+static inline void eeh_add_device_early(struct device_node *dn) { }
+
+static inline void eeh_add_device_late(struct pci_dev *dev) { }
+
+static inline void eeh_remove_device(struct pci_dev *dev) { }
+
 #define EEH_POSSIBLE_ERROR(val, type) (0)
 #define EEH_IO_ERROR_VALUE(size) (-1UL)
-#endif
+#endif /* CONFIG_EEH */
 
 /* 
  * MMIO read/write operations with EEH support.
diff --git a/include/asm-ppc64/iommu.h b/include/asm-ppc64/iommu.h
index 19f57ab59641..7f73d040c754 100644
--- a/include/asm-ppc64/iommu.h
+++ b/include/asm-ppc64/iommu.h
@@ -145,9 +145,9 @@ extern int iommu_map_sg(struct device *dev, struct iommu_table *tbl,
 extern void iommu_unmap_sg(struct iommu_table *tbl, struct scatterlist *sglist,
 		int nelems, enum dma_data_direction direction);
 
-extern void *iommu_alloc_consistent(struct iommu_table *tbl, size_t size,
-		dma_addr_t *dma_handle);
-extern void iommu_free_consistent(struct iommu_table *tbl, size_t size,
+extern void *iommu_alloc_coherent(struct iommu_table *tbl, size_t size,
+		dma_addr_t *dma_handle, int flag);
+extern void iommu_free_coherent(struct iommu_table *tbl, size_t size,
 		void *vaddr, dma_addr_t dma_handle);
 extern dma_addr_t iommu_map_single(struct iommu_table *tbl, void *vaddr,
 		size_t size, enum dma_data_direction direction);
diff --git a/include/asm-ppc64/pci.h b/include/asm-ppc64/pci.h
index d87b70e088b2..2435c8005781 100644
--- a/include/asm-ppc64/pci.h
+++ b/include/asm-ppc64/pci.h
@@ -13,11 +13,14 @@
 #include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/dma-mapping.h>
+
 #include <asm/machdep.h>
 #include <asm/scatterlist.h>
 #include <asm/io.h>
 #include <asm/prom.h>
 
+#include <asm-generic/pci-dma-compat.h>
+
 #define PCIBIOS_MIN_IO		0x1000
 #define PCIBIOS_MIN_MEM		0x10000000
 
@@ -63,131 +66,18 @@ static inline int pcibios_prep_mwi(struct pci_dev *dev)
 
 extern unsigned int pcibios_assign_all_busses(void);
 
-/*
- * PCI DMA operations are abstracted for G5 vs. i/pSeries
- */
-struct pci_dma_ops {
-	void *		(*pci_alloc_consistent)(struct pci_dev *hwdev, size_t size,
-					dma_addr_t *dma_handle);
-	void		(*pci_free_consistent)(struct pci_dev *hwdev, size_t size,
-				       void *vaddr, dma_addr_t dma_handle);
-
-	dma_addr_t	(*pci_map_single)(struct pci_dev *hwdev, void *ptr,
-					  size_t size, enum dma_data_direction direction);
-	void		(*pci_unmap_single)(struct pci_dev *hwdev, dma_addr_t dma_addr,
-					    size_t size, enum dma_data_direction direction);
-	int		(*pci_map_sg)(struct pci_dev *hwdev, struct scatterlist *sg,
-				      int nents, enum dma_data_direction direction);
-	void		(*pci_unmap_sg)(struct pci_dev *hwdev, struct scatterlist *sg,
-					int nents, enum dma_data_direction direction);
-	int		(*pci_dma_supported)(struct pci_dev *hwdev, u64 mask);
-	int		(*pci_dac_dma_supported)(struct pci_dev *hwdev, u64 mask);
-};
-
-extern struct pci_dma_ops pci_dma_ops;
-
-static inline void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size,
-					 dma_addr_t *dma_handle)
-{
-	return pci_dma_ops.pci_alloc_consistent(hwdev, size, dma_handle);
-}
-
-static inline void pci_free_consistent(struct pci_dev *hwdev, size_t size,
-				       void *vaddr, dma_addr_t dma_handle)
-{
-	pci_dma_ops.pci_free_consistent(hwdev, size, vaddr, dma_handle);
-}
-
-static inline dma_addr_t pci_map_single(struct pci_dev *hwdev, void *ptr,
-					size_t size, int direction)
-{
-	return pci_dma_ops.pci_map_single(hwdev, ptr, size,
-			(enum dma_data_direction)direction);
-}
-
-static inline void pci_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr,
-				    size_t size, int direction)
-{
-	pci_dma_ops.pci_unmap_single(hwdev, dma_addr, size,
-			(enum dma_data_direction)direction);
-}
-
-static inline int pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg,
-			     int nents, int direction)
-{
-	return pci_dma_ops.pci_map_sg(hwdev, sg, nents,
-			(enum dma_data_direction)direction);
-}
-
-static inline void pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg,
-				int nents, int direction)
-{
-	pci_dma_ops.pci_unmap_sg(hwdev, sg, nents,
-			(enum dma_data_direction)direction);
-}
-
-static inline void pci_dma_sync_single_for_cpu(struct pci_dev *hwdev,
-					       dma_addr_t dma_handle,
-					       size_t size, int direction)
-{
-	BUG_ON(direction == PCI_DMA_NONE);
-	/* nothing to do */
-}
-
-static inline void pci_dma_sync_single_for_device(struct pci_dev *hwdev,
-						  dma_addr_t dma_handle,
-						  size_t size, int direction)
-{
-	BUG_ON(direction == PCI_DMA_NONE);
-	/* nothing to do */
-}
-
-static inline void pci_dma_sync_sg_for_cpu(struct pci_dev *hwdev,
-					   struct scatterlist *sg,
-					   int nelems, int direction)
-{
-	BUG_ON(direction == PCI_DMA_NONE);
-	/* nothing to do */
-}
-
-static inline void pci_dma_sync_sg_for_device(struct pci_dev *hwdev,
-					      struct scatterlist *sg,
-					      int nelems, int direction)
-{
-	BUG_ON(direction == PCI_DMA_NONE);
-	/* nothing to do */
-}
-
-/* Return whether the given PCI device DMA address mask can
- * be supported properly.  For example, if your device can
- * only drive the low 24-bits during PCI bus mastering, then
- * you would pass 0x00ffffff as the mask to this function.
- * We default to supporting only 32 bits DMA unless we have
- * an explicit override of this function in pci_dma_ops for
- * the platform
- */
-static inline int pci_dma_supported(struct pci_dev *hwdev, u64 mask)
-{
-	if (pci_dma_ops.pci_dma_supported)
-		return pci_dma_ops.pci_dma_supported(hwdev, mask);
-	return (mask < 0x100000000ull);
-}
+extern struct dma_mapping_ops pci_dma_ops;
 
 /* For DAC DMA, we currently don't support it by default, but
  * we let the platform override this
  */
 static inline int pci_dac_dma_supported(struct pci_dev *hwdev,u64 mask)
 {
-	if (pci_dma_ops.pci_dac_dma_supported)
-		return pci_dma_ops.pci_dac_dma_supported(hwdev, mask);
+	if (pci_dma_ops.dac_dma_supported)
+		return pci_dma_ops.dac_dma_supported(&hwdev->dev, mask);
 	return 0;
 }
 
-static inline int pci_dma_mapping_error(dma_addr_t dma_addr)
-{
-	return dma_mapping_error(dma_addr);
-}
-
 extern int pci_domain_nr(struct pci_bus *bus);
 
 /* Decide whether to display the domain number in /proc */
@@ -201,10 +91,6 @@ int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
 /* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */
 #define HAVE_PCI_MMAP	1
 
-#define pci_map_page(dev, page, off, size, dir) \
-		pci_map_single(dev, (page_address(page) + (off)), size, dir)
-#define pci_unmap_page(dev,addr,sz,dir) pci_unmap_single(dev,addr,sz,dir)
-
 /* pci_unmap_{single,page} is not a nop, thus... */
 #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)	\
 	dma_addr_t ADDR_NAME;
diff --git a/include/asm-ppc64/rtas.h b/include/asm-ppc64/rtas.h
index dc2879cc4981..a8ab0e9db84a 100644
--- a/include/asm-ppc64/rtas.h
+++ b/include/asm-ppc64/rtas.h
@@ -24,12 +24,9 @@
 
 /* RTAS return status codes */
 #define RTAS_BUSY		-2    /* RTAS Busy */
-#define RTAS_NO_SUCH_INDICATOR	-3    /* No such indicator implemented */
 #define RTAS_EXTENDED_DELAY_MIN	9900
 #define RTAS_EXTENDED_DELAY_MAX	9905
 
-#define RTAS_UNKNOWN_OP		-1099 /* Unknown RTAS Token */
-
 /*
  * In general to call RTAS use rtas_token("string") to lookup
  * an RTAS token for the given string (e.g. "event-scan").
diff --git a/include/asm-ppc64/vio.h b/include/asm-ppc64/vio.h
index 3fd465c9263d..20cd98ee6337 100644
--- a/include/asm-ppc64/vio.h
+++ b/include/asm-ppc64/vio.h
@@ -57,32 +57,7 @@ int vio_get_irq(struct vio_dev *dev);
 int vio_enable_interrupts(struct vio_dev *dev);
 int vio_disable_interrupts(struct vio_dev *dev);
 
-dma_addr_t vio_map_single(struct vio_dev *dev, void *vaddr, 
-			  size_t size, enum dma_data_direction direction);
-void vio_unmap_single(struct vio_dev *dev, dma_addr_t dma_handle, 
-		      size_t size, enum dma_data_direction direction);
-int vio_map_sg(struct vio_dev *vdev, struct scatterlist *sglist, 
-	       int nelems, enum dma_data_direction direction);
-void vio_unmap_sg(struct vio_dev *vdev, struct scatterlist *sglist, 
-		  int nelems, enum dma_data_direction direction);
-void *vio_alloc_consistent(struct vio_dev *dev, size_t size, 
-			   dma_addr_t *dma_handle);
-void vio_free_consistent(struct vio_dev *dev, size_t size, void *vaddr, 
-			 dma_addr_t dma_handle);
-
-static inline int vio_dma_supported(struct vio_dev *hwdev, u64 mask)
-{
-	return 1;
-}
-
-#define vio_map_page(dev, page, off, size, dir) \
-		vio_map_single(dev, (page_address(page) + (off)), size, dir)
-#define vio_unmap_page(dev,addr,sz,dir) vio_unmap_single(dev,addr,sz,dir)
-
-static inline int vio_set_dma_mask(struct vio_dev *dev, u64 mask)
-{
-	return -EIO;
-}
+extern struct dma_mapping_ops vio_dma_ops;
 
 extern struct bus_type vio_bus_type;